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<?php

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/**

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* Integration with Gravity Forms: Gravity_Forms class

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* This integration will automatically compress images on Gravity Forms upload.

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* @since 3.9.10

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* @package Smush\Core\Integrations

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namespace Smush\Core\Integrations;

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use GFFormsModel;

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use Smush\Core\Core;

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use Smush\Core\Helper;

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use WP_Smush;

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if ( ! defined( 'WPINC' ) ) {

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die;

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}

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/**

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* Class Gravity_Forms for Gravity Forms integration.

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* This integration will automatically compress images on Gravity Forms upload.

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* @since 3.9.10

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* @see Abstract_Integration

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class Gravity_Forms extends Abstract_Integration {

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/**

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* Gravity_Forms constructor.

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* @since 3.9.10

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public function __construct() {

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$this->module = 'gform';

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$this->class = 'free';

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$this->enabled = defined( 'GF_SUPPORTED_WP_VERSION' ) && class_exists( 'GFForms' );

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parent::__construct();

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// Hook at the end of setting row to output an error div.

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add_action( 'smush_setting_column_right_inside', array( $this, 'additional_notice' ) );

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// Return if Gravity Form integration or auto compression is not enabled.

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if ( ! $this->enabled || ! $this->settings->get( 'gform' ) || ! $this->settings->get( 'auto' ) ) {

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return;

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}

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// Track gravity form submission and validate if there is any image uploaded in Image or File Upload fields.

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add_action( 'gform_after_submission', array( $this, 'smush_gform_after_submission' ), 10, 2 );

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}

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* ************************************

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* OVERWRITE PARENT CLASS FUNCTIONALITY

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/**

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* Filters the setting variable to add Gravity Form setting title and description

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* @since 3.9.10

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* @param array $settings Settings.

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* @return array

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public function register( $settings ) {

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$settings[ $this->module ] = array(

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'label' => esc_html__( 'Enable Gravity Forms integration', 'wp-smushit' ),

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'short_label' => esc_html__( 'Gravity Forms', 'wp-smushit' ),

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'desc' => esc_html__( 'Allow compressing images uploaded with Gravity Forms.', 'wp-smushit' ),

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);

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return $settings;

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}

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/**

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* Show additional notice if the required plugins are not installed.

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* @since 3.9.10

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* @param string $name Setting name.

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public function additional_notice( $name ) {

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if ( $this->module === $name && ! $this->enabled ) {

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</div>

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</div>

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</div>

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</div>

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<?php

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}

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}

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/**

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* Processing automatic image smush on Gravity Forms upload.

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* @since 3.9.10

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* @param Object $entry Entry Object.

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* @param Object $form Form Object.

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public function smush_gform_after_submission( $entry, $form ) {

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$fields = $form['fields'];

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foreach ( $fields as $field ) {

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if ( 'fileupload' !== $field->type && 'post_image' !== $field->type ) {

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continue;

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}

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if ( ! function_exists( 'rgar' ) ) {

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continue;

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}

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$uploaded_files = rgar( $entry, $field->id );

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$uploaded_files = $this->smush_parse_files( $uploaded_files, $field );

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if ( ! is_array( $uploaded_files ) || empty( $uploaded_files ) ) {

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continue;

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}

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foreach ( $uploaded_files as $_file ) {

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$dir = $this->get_gform_upload_dir( $form['id'] );

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if ( ! $dir || ! isset( $dir['url'] ) || ! isset( $dir['path'] ) ) {

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continue;

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}

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$file = str_replace( $dir['url'], $dir['path'], $_file );

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// Get mime type from file path.

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$mime = Helper::get_mime_type( $file );

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// If image file not exist or image type not supported.

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if ( ! file_exists( $file ) || ! in_array( $mime, Core::$mime_types, true ) ) {

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continue;

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}

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WP_Smush::get_instance()->core()->mod->smush->do_smushit( $file );

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}

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}

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}

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/**

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* Get upload directory url and path.

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* @since 3.9.10

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* @param int $form_id Form ID.

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* @return bool|array

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public function get_gform_upload_dir( $form_id ) {

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if ( ! class_exists( 'GFFormsModel' ) ) {

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return false;

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}

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$dir = GFFormsModel::get_file_upload_path( $form_id, 'PLACEHOLDER' );

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$dir['path'] = dirname( $dir['path'] );

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$dir['url'] = dirname( $dir['url'] );

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return $dir;

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}

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/**

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* Parsing uploaded files.

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* @since 3.9.10

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* @param mixed $files File path.

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* @param Object $field Form field object.

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* @return array

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public function smush_parse_files( $files, $field ) {

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if ( empty( $files ) ) {

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return array();

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}

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if ( $this->smush_is_json( $files ) ) {

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$files = json_decode( $files );

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} elseif ( 'post_image' === $field->get_input_type() ) {

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$file_bits = explode( '|:|', $files );

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$files = array( $file_bits[0] );

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} else {

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$files = array( $files );

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}

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return $files;

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}

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/**

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* Check entry files in JSON format.

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* @since 3.9.10

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* @param String $string File string.

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* @return bool

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public function smush_is_json( $string ) {

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// Duplicate contents of GFCommon::is_json() here to supports versions of GF older than GF 2.5.

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if ( is_string( $string ) && in_array( substr( $string, 0, 1 ), array( '{', '[' ) ) && is_array( json_decode( $string, ARRAY_A ) ) ) {

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return true;

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}

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return false;

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}

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}

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